| Company | Timeline | Status | |
| Ron Cowan McRok Limited Director • Company Director | 4 Sep 2014←10 Years→27 May 2025 | Dissolved | |
| Ron Cowan McRok Limited Director • Company Director | 4 Sep 2014←10 Years→3 Mar 2025 | Dissolved | |
| Semiconductor Production Systems Limited Director • Director | 1 Dec 2007←17 Years→Current | Active | |
| Semiconductor Production Systems Limited Director • Director | 1 Dec 2007←16 Years→1 Jun 2024 | Active | |
